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Journal articles on the topic 'Current sensor'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2025

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1

Su, Huafeng, Haojun Li, Weihao Liang, Chaolan Shen, and Zheng Xu. "Non-Contact Current Measurement for Three-Phase Rectangular Busbars Using TMR Sensors." Sensors 24, no. 2 (2024): 388. http://dx.doi.org/10.3390/s24020388.

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This paper proposes a non-contact current measurement method for three-phase rectangular busbars based on TMR (tunneling magneto-resistance) sensors, due to their advantages of large dynamic range, wide bandwidth, light weight, and easy installation. A non-contact current sensor composed of only three TMR sensors is developed and the TMR sensors are respectively placed at a location with a certain distance from the surface of each rectangular busbar to measure the magnetic fields generated by the busbar currents. To calibrate the developed current sensor, i.e., to establish the relationship be

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2

Bulic, Neven, and Livio Šušnjic. "Eddy current sensor simulation." COMPEL - The international journal for computation and mathematics in electrical and electronic engineering 36, no. 3 (2017): 619–32. http://dx.doi.org/10.1108/compel-09-2016-0415.

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Purpose This paper aims to present a simulation concept and an experimental verification of a novel sensor design for the shaft position measurement based on the eddy current principle and the phase-shift measurement. The simulation method for the sensor characteristic determination is presented. Possible application of a new sensor type is theoretically presented, verified in simulation and compared with experimental results. Design/methodology/approach Sensor is based on the injection-locking phenomenon between coupled oscillators. Only one sensor per axis is used for position measurement. A

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3

Harms, Julius, and Thorsten A. Kern. "Theory and Modeling of Eddy Current Type Inductive Conductivity Sensors." Engineering Proceedings 6, no. 1 (2021): 37. http://dx.doi.org/10.3390/i3s2021dresden-10103.

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While transformer-type conductivity sensors are the usual type of inductive sensors, this paper describes the theory behind less used eddy current sensors. This type of sensor measures the conductivity of a liquid by inducing eddy currents and observing the effect on the sensor coil, which allows a simpler sensor design and promises a cost advantage in implementation. A novel model description is derived from the Maxwell equations and implemented by an equivalent RLC circuit. The designed model is validated by comparisons with experimental observations and FEM simulations. The result leads to

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4

Wang, Shuchao, Fu Wan, Hong Zhao, Weigen Chen, Weichao Zhang, and Quan Zhou. "A Sensitivity-enhanced Fiber Grating Current Sensor Based on Giant Magnetostrictive Material for Large-Current Measurement." Sensors 19, no. 8 (2019): 1755. http://dx.doi.org/10.3390/s19081755.

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Currently, in the modern power industry, it is still a great challenge to achieve high sensitivity and uninterrupted-online measurement of large current on the high voltage gridlines. At present, the fiber grating current sensors based on giant magnetostrictive material used in the modern power industry to achieve uninterrupted-online measurement of large currents on high voltage grid lines is a better method, but the sensitivity of this current sensor is relatively low, therefore, it is key to improve the sensitivity of this current sensor. Here we show a sensitivity-enhanced fiber grating cu

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Deluca, Marco, and Anton Köck. "Current Perspectives for Autonomous Sensor Nodes." Proceedings 56, no. 1 (2020): 7. http://dx.doi.org/10.3390/proceedings2020056007.

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The current technological trends associated with Industry 4.0 and the Internet of Things (IoT) require an interconnected network of sensor nodes providing distributed information on the environment to enable intelligent action to be taken by control systems. Such sensors need to be wireless, self-powered and energy independent. In this work we provide an overview of possible strategies to realize a positive energy balance in autonomous sensor nodes without the use of batteries. We will first overview different sensors in terms of power consumption. We will then concentrate on energy harvesting

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Li, Bo, Lifan Meng, Hongyu Wang, Jing Li, and Chunmei Liu. "Rapid prototyping eddy current sensors using 3D printing." Rapid Prototyping Journal 24, no. 1 (2018): 106–13. http://dx.doi.org/10.1108/rpj-07-2016-0117.

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Purpose The purpose of this paper is to investigate the process of rapid prototyping eddy current sensors using 3D printing technology. Making full use of the advantages of 3D printing, the authors study on a new method for fabrication of an eddy current sensor. Design/methodology/approach In this paper, the authors establish a 3D model using SolidWorks. And the eddy current sensor is printed by the fused deposition modeling method. Findings Measurement results show that the 3D printing eddy current sensor has a wider linear measurement range and better linearity than the traditional manufactu

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7

Badini, Sai Shiva, Vimlesh Verma, Mohd Tariq, Shabana Urooj, and Lucian Mihet-Popa. "Performance of a Vector-Controlled PMSM Drive without Using Current Sensors." Mathematics 10, no. 23 (2022): 4623. http://dx.doi.org/10.3390/math10234623.

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The current sensorless vector-controlled permanent-magnet synchronous motor (PMSM) drive using a single sensor (i.e., speed sensor) is presented in this work. The current sensors are removed, and the estimated currents are used to close the current loop to minimize the drive cost and make it fault-tolerant against current sensor failure. A classical vector-control PMSM drive requires at least three sensors, i.e., two current sensors and one speed/position sensor. This paper presents a new current estimation technique that is free from inverter switching states, an integrator, and differentiato

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Lee, Sungho, Sungmin Hong, Wonki Park, et al. "High Accuracy Open-Type Current Sensor with a Differential Planar Hall Resistive Sensor." Sensors 18, no. 7 (2018): 2231. http://dx.doi.org/10.3390/s18072231.

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In this paper, we propose a high accuracy open-type current sensor with a differential Planar Hall Resistive (PHR) sensor. Conventional open-type current sensors with magnetic sensors are usually vulnerable to interference from an external magnetic field. To reduce the effect of an unintended magnetic field, the proposed design uses a differential structure with PHR. The differential structure provides robust performance to unwanted magnetic flux and increased magnetic sensitivity. In addition, instead of conventional Hall sensors with a magnetic concentrator, a newly developed PHR with high s

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9

Silva, Artur de Araujo, Claudio Floridia, and Joao Batista Rosolem. "Study of a Current and Voltage Polarization Sensor Network." Sensors 21, no. 13 (2021): 4528. http://dx.doi.org/10.3390/s21134528.

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Sensors based on polarization are suitable for application in power grids due to their excellent characteristics, such as high electrical insulation, non-magnetic saturation, oil-free, no risk of explosive failures, and high bandwidth. Utility companies are incorporating new technologies that are driving the evolution of electrical systems. Thus, it is interesting to evaluate the possibility of using polarization sensors in a network configuration. In this work, we present an experimental study of a current and voltage polarization sensor network applied to a medium voltage distribution grid.

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10

AOYAGI, SEIJI, and JUNYA IZUTANI. "MICRO STRAIN SENSOR BASED ON DRAIN CURRENT CHANGE OF MOSFET." International Journal of Information Acquisition 03, no. 03 (2006): 221–31. http://dx.doi.org/10.1142/s0219878906000976.

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Many types of tactile sensor have been proposed and developed, and they are becoming miniaturized and more precise at present state. Micro tactile sensors of high performance comparable to a human being are desired for robotic application, in which skilful and dexterous motion like a human being is necessary. Micromachining is one solution to realize a practical tactile sensor. In usual researches, capacitive, piezoelectric, and piezoresistive types are employed as the measurement principle of a micromachined sensor. In this paper, the MOSFET is applied and the drain current change of it when

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11

Wang, Li Hui, Jian Sun, and Jian Fei Ji. "Optical Current Sensor Technology in Power System." Key Engineering Materials 562-565 (July 2013): 242–46. http://dx.doi.org/10.4028/www.scientific.net/kem.562-565.242.

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With power voltage and capacity improved greatly, power transmission system put a higher demand on reliability and safe operation of electrical equipments. Electromagnetic sensors and other conventional detection equipment can no longer meet the needs of the power system, and new sensing measurement techniques led to optical current and voltage sensing technology. As their unique advantages, optical current sensing technology is get in-depth study and attention, and gradually used in power system engineering applications. Combined with domestic and foreign research progress of optical current

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12

Helko, van den Brom, van Leeuwen Ronald, and Hornecker Ralph. "Characterization of DC Current Sensors With AC Distortion for Railway Applications." IEEE Transactions on Instrumentation and Measurement 68, no. 3 (2019): 2084–90. https://doi.org/10.1109/TIM.2019.2898014.

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To assess the reliability of dc energy measurement equipment on-board trains, a setup was developed to characterize current transducers under realistic operating conditions. The operating principle is based on a current ratio measurement technique. The reference sensor is a high-precision zero-flux current transducer in combination with a broadband high-precision current shunt. The influence of ac distortion on this reference sensor was found to be within a few parts in 10 <sup>6</sup> using an initial version of the setup, in which ac distortion was applied through a separate windin

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13

Ge, Jin-ming, Yan Shen, Wen-bin Yu, Yue Han, and Fang-wei Duan. "Study on the Application of Optical Current Sensor for Lightning Current Measurement of Transmission Line." Sensors 19, no. 23 (2019): 5110. http://dx.doi.org/10.3390/s19235110.

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Accurate and reliable lightning current data are the basis of lightning protection design. To measure lightning current data at different measurement locations in a transmission system, the limitations of traditional lightning current sensors are analyzed, and optical current sensing technology is adopted, which has the advantages of no magnetic saturation and no bandwidth limitation. Compared with traditional application environments, the sensing technology is used in special environments in transmission systems. This paper analyzes the influence of environmental factors on sensors, and combi

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14

Burritt, M. F. "Current analytical approaches to measuring blood analytes." Clinical Chemistry 36, no. 8 (1990): 1562–66. http://dx.doi.org/10.1093/clinchem/36.8.1562.

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Abstract In recent years, laboratory testing in the critical-care setting has increased, a trend due, in part, to the evolution of electrochemical sensors. Various innovations have extended sensor lifetimes, reduced sensor maintenance, and led to the development of single-use and unit-use disposable sensors. These sensor technologies allow the accurate and precise determination, either at or near the bedside, of several analytes including pO2, pCO2, pH, Na, K, Cl, ionized calcium, hematocrit, total hemoglobin, and glucose. Use of these new systems, however, has raised new issues regarding sens

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15

Xu, Chunyang, Xueping Jiang, and Haibin Wang. "Research on Temperature Compensation of Shunt Type Current Sensor." Journal of Physics: Conference Series 2674, no. 1 (2023): 012023. http://dx.doi.org/10.1088/1742-6596/2674/1/012023.

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Abstract For the temperature drift problem of a shunt-type current sensor, this paper adopts a temperature compensation model based on the fusion of temperature segmentation linear and clustering division, which focuses on the consideration of the current sensor system as a whole, as well as versatility and complexity, etc., to ensure the measurement accuracy of a single sensor, while improving the speed of multi-sensor temperature compensation. Experimental results show that the current sensor after the model compensation, in the 15 A or more experiments measured in the current range of the a

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16

Grigoriev, Mikhail G., and Nikita V. Turushev. "Development of Fiber Optic Current Sensor." Advanced Materials Research 1040 (September 2014): 954–58. http://dx.doi.org/10.4028/www.scientific.net/amr.1040.954.

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Current measuring high-precision methods and devices are one of the most important modern engineering development lines in optimal energy consumption sphere. However, there are a few small-sized instruments which allow conducting precision measurements without breaking the circuit. This paper presents information about conducted Faraday Effect research and general construction of the simple fiber optic current sensor (FOCS). Researched sensor conception is used in prototype which is developing by team of laboratory number 63 of National Research Tomsk Polytechnic University Nondestructive Test

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17

Kim, Young-Min, Jung-Hwan Park, Kwang-Sik Lee, Jung-Bae Kim, and Won-Zoo Park. "Characteristics of Optical Current Sensors by Sensor Design." Journal of the Korean Institute of Illuminating and Electrical Installation Engineers 21, no. 4 (2007): 80–87. http://dx.doi.org/10.5207/jieie.2007.21.4.080.

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18

Girgin, Alper, Melih Bilmez, Hamid Yadegar Amin, and Tufan Coşkun Karalar. "A silicon Hall sensor SoC for current sensors." Microelectronics Journal 90 (August 2019): 12–18. http://dx.doi.org/10.1016/j.mejo.2019.04.020.

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19

Buček, Pavel, Petr Maršolek, and Jiří Bílek. "Low-Cost Sensors for Air Quality Monitoring - the Current State of the Technology and a Use Overview." Chemistry-Didactics-Ecology-Metrology 26, no. 1-2 (2021): 41–54. http://dx.doi.org/10.2478/cdem-2021-0003.

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Abstract In recent years the monitoring of air quality using cheap sensors has become an interesting alternative to conventional analytical techniques. Apart from vast price differences conventional techniques need to be performed by the trained personnel of commercial or research laboratories. Sensors capable of measuring dust, ozone, nitrogen and sulphur oxides, or other air pollutants are relatively simple electronic devices, which are comparable in size to a mobile phone. They provide the general public with the possibility to monitor air quality which can contribute to various projects th

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20

Li, Fuchao, Jingen Wu, Sujie Liu, et al. "Magnetoelectric Sensor Operating in d15 Thickness-Shear Mode for High-Frequency Current Detection." Sensors 24, no. 8 (2024): 2396. http://dx.doi.org/10.3390/s24082396.

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For the application of high-frequency current detection in power systems, such as very fast transient current, lightning current, partial discharge pulse current, etc., current sensors with a quick response are indispensable. Here, we propose a high-frequency magnetoelectric current sensor, which consists of a PZT piezoelectric ceramic and Metglas amorphous alloy. The proposed sensor is designed to work under d15 thickness-shear mode, with the resonant frequency around 1.029 MHz. Furthermore, the proposed sensor is fabricated as a high-frequency magnetoelectric current sensor. A comparative ex

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21

Bing Wei, Bing Wei, Changyun Zhao Changyun Zhao, Gencheng Wang Gencheng Wang, et al. "Silicon photonic current sensor based on multimode interference." Chinese Optics Letters 14, no. 3 (2016): 031301–31304. http://dx.doi.org/10.3788/col201614.031301.

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22

Huang, Shi Ze, Ya Jie He, and Qi Yi Guo. "The Simulation Technology Research of Hall Current Sensor." Applied Mechanics and Materials 241-244 (December 2012): 921–26. http://dx.doi.org/10.4028/www.scientific.net/amm.241-244.921.

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Hall current sensor is a new generation industrial sensors which was widely used in electrical measurement. After introducing the current measurement by hall sensor, the 3D model of current-carrying conductor was built by ANSYS, and the effect caused by current-carrying conductor’s shape and the position of hall sensor was analyzed. Along with the effect of electromagnetic field of adjacent phase current-carrying conductor, the ferromagnetic shield was proposed to reduce this effect and improve the measurement accuracy. The theoretical analysis is verified by the simulation results, which can

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23

Shen, Shiqi, Hui Wang, Mengqiu Li, Yaojing Feng, and Yichang Zhong. "Torque-Enhanced Phase Current Detection Schemes for Multiphase Switched Reluctance Motors with Reduced Sensors." Applied Sciences 12, no. 12 (2022): 5956. http://dx.doi.org/10.3390/app12125956.

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An n/2-sensor-based and an (m + 1)/2-sensor-based phase current detection scheme are proposed for even-numbered switched reluctance motors (EMSRMs) with n phases and odd-numbered switched reluctance motors (OMSRMs) with m phases. For the EMSRMs, the phases are divided into n/2 groups each of which includes two phases furthest from each other, and the lower dc bus is split into n/2 + 1 buses such that the currents through the lower switches of a group flow through a bus whose current is detected by a sensor. For the OMSRMs, the phases are divided into (m + 1)/2 groups and the currents through t

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24

Ali, Qaed M., and Mohammed M. Ezzalden. "Direct Current Deadbeat Predictive Controller for BLDC Motor Using Single DC-Link Current Sensor." Engineering and Technology Journal 38, no. 8A (2020): 1187–99. http://dx.doi.org/10.30684/etj.v38i8a.471.

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BLDC motors are characterized by electronic commutation, which is performed by using an electric three-phase inverter. The direct control system of the BLDC motor consists of double loops; including the inner-loop for current regulating and outer-loop for speed control. The operation of the current controller requires feedback of motor currents; the conventional current controller uses two current sensors on the ac side of the inverter to measure the currents of two phases, while the third current would be accordingly calculated. These two sensors should have the same characteristics, to achie

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Wang, Xueqing, Zheng Wang, Wei Wang, and Ming Cheng. "Fault Diagnosis of Sensors for T-type Three-Level Inverter-fed Dual Three-Phase Permanent Magnet Synchronous Motor Drives." Power Electronics and Drives 4, no. 1 (2019): 167–78. http://dx.doi.org/10.2478/pead-2018-0012.

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AbstractTo improve the reliability of motor system, this paper investigates the sensor fault diagnosis methods for T-type inverter-fed dual three-phase permanent magnet synchronous motor (PMSM) drives. Generally, a T-type three-level inverter-fed dual three-phase motor drive utilizes four phase-current sensors, two direct current (DC)-link voltage sensors and one speed sensor. A series of diagnostic methods have been comprehensively proposed for the three types of sensor faults. Both the sudden error change and gradual error change of sensor faults are considered. Firstly, the diagnosis of spe

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Zou, Xiuguo, Wenchao Liu, Zhiqiang Huo, et al. "Current Status and Prospects of Research on Sensor Fault Diagnosis of Agricultural Internet of Things." Sensors 23, no. 5 (2023): 2528. http://dx.doi.org/10.3390/s23052528.

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Sensors have been used in various agricultural production scenarios due to significant advances in the Agricultural Internet of Things (Ag-IoT), leading to smart agriculture. Intelligent control or monitoring systems rely heavily on trustworthy sensor systems. Nonetheless, sensor failures are likely due to various factors, including key equipment malfunction or human error. A faulty sensor can produce corrupted measurements, resulting in incorrect decisions. Early detection of potential faults is crucial, and fault diagnosis techniques have been proposed. The purpose of sensor fault diagnosis

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27

He, Yaqin, Mengyao Zhang, Nan Zhang, et al. "Paper-Based ZnS:Cu Alternating Current Electroluminescent Devices for Current Humidity Sensors with High–Linearity and Flexibility." Sensors 19, no. 21 (2019): 4607. http://dx.doi.org/10.3390/s19214607.

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Humidity sensors are indispensable for various electronic systems and instrumentations. To develop a new humidity sensing mechanism is the key for the next generation of sensor technology. In this work, a novel flexible paper-based current humidity sensor is proposed. The developed alternating current electroluminescent devices (ACEL) consist of the electroless plating Ni on filter paper and silver nanowires (AgNWs) as the bottom and upper electrodes, and ZnS:Cu as the phosphor layer, respectively. The proposed humidity sensor is based on ACEL with the paper substrate and the ZnS:Cu phosphor l

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28

Jamia, Nidhal, Michael I. Friswell, Sami El-Borgi, and Ralston Fernandes. "Simulating eddy current sensor outputs for blade tip timing." Advances in Mechanical Engineering 10, no. 1 (2018): 168781401774802. http://dx.doi.org/10.1177/1687814017748020.

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Blade tip timing is a contactless method used to monitor the vibration of blades in rotating machinery. Blade vibration and clearance are important diagnostic features for condition monitoring, including the detection of blade cracks. Eddy current sensors are a practical choice for blade tip timing and have been used extensively. As the data requirements from the timing measurement become more stringent and the systems become more complicated, including the use of multiple sensors, the ability to fully understand and optimize the measurement system becomes more important. This requires detaile

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Zhang, Zhonghao, Fanghui Yin, Liming Wang, and Hongwei Mei. "Improved Current Sensor for Water Diffusion Testing of Composite Insulators." Sensors 19, no. 4 (2019): 778. http://dx.doi.org/10.3390/s19040778.

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An improved current sensor aimed at measuring currents of different parts in composite insulator samples was proposed. Conventional current sensors used in water diffusion tests aim to examine the performance of composite insulators, however, it is difficult for the conventional current sensors to locate the defects. Thus, we designed a new electrode structure to measure the currents of different components in short samples of composite insulators. Based on a finite analysis method, the influence of relative permittivity and conductivity on the current was analyzed. New samples with different

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30

Bedrin, Alexander G., Alexander N. Zhylin, and Igor L. Lovchy. "Using a fiber optic sensor for registration of pulsed plasma discharge current." Izmeritel`naya Tekhnika, no. 9 (2021): 28–34. http://dx.doi.org/10.32446/0368-1025it.2021-9-28-34.

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The problem of increasing the accuracy of recording the pulse shape of a rapidly changing current of a powerful plasma emitter under conditions of powerful electromagnetic interference is considered. To register high-current pulsed discharges, it is proposed to use a polarimetric fiber-optic current sensor based on a Spun-type fiber. Using the indicated current sensor, a technique for recording high-current pulsed discharges of a plasma emitter in the mode of time profiling of the current pulse of two high-voltage capacitive storage devices with a total energy of up to 1800 kJ is realized. The

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31

Yeong, De Jong, Gustavo Velasco-Hernandez, John Barry, and Joseph Walsh. "Sensor and Sensor Fusion Technology in Autonomous Vehicles: A Review." Sensors 21, no. 6 (2021): 2140. http://dx.doi.org/10.3390/s21062140.

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With the significant advancement of sensor and communication technology and the reliable application of obstacle detection techniques and algorithms, automated driving is becoming a pivotal technology that can revolutionize the future of transportation and mobility. Sensors are fundamental to the perception of vehicle surroundings in an automated driving system, and the use and performance of multiple integrated sensors can directly determine the safety and feasibility of automated driving vehicles. Sensor calibration is the foundation block of any autonomous system and its constituent sensors

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Honkura, Yoshinobu, and Shinpei Honkura. "The Development of ASIC Type GSR Sensor Driven by GHz Pulse Current." Sensors 20, no. 4 (2020): 1023. http://dx.doi.org/10.3390/s20041023.

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The GigaHertz spin rotation (GSR) effect was observed through the excitement of Giga Hertz (GHz) pulse current flowing through amorphous wire. The GSR sensor that was developed provides excellent features that enhanced magnetic sensitivity and sine functional relationship, as well as good linearity, absence of hysteresis, and low noise. Considering the GHz frequency range used for the GSR sensor, we assume that the physical phenomena associated with the operation of the sensor are based on spin reduction and rotation of the magnetization. The proper production technology needed was developed a

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Attard, P., and J. Micallef. "Ion current combustion technology for controlled auto-ignition gasoline engines." International Journal of Engine Research 8, no. 5 (2007): 429–37. http://dx.doi.org/10.1243/14680874jer03604.

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The use of ionization sensors, by means of a standard spark plug, in gasoline engines is well known. This paper focuses on the use of these sensors for controlled auto-ignition (CAI) gasoline engines, where the air-fuel mixture ignites without the need of a spark. The averaged ion current signals obtained are first observed and compared to the heat release rate and then a method to detect with accuracy the location of the 50 per cent mass fraction burned is described. The variation of emissions is studied and the effects of using a pressure sensor (to calculate the heat release rate) or an ion

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Xu, Shaoyi, Qiang Peng, Chuansheng Li, et al. "Optical Fiber Current Sensors Based on FBG and Magnetostrictive Composite Materials." Applied Sciences 11, no. 1 (2020): 161. http://dx.doi.org/10.3390/app11010161.

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Optical fiber current sensors are widely used in the online monitoring of a new generation power system because of their high electrical insulation, wide dynamic range, and strong anti-electromagnetic interference ability. Current sensors, based on fiber Bragg grating (FBG) and giant magnetostrictive material, have the advantages of high reliability of FBG and high magnetostrictive coefficient of giant magnetostrictive material, which can meet the monitoring requirements of digital power systems. However, giant magnetostrictive materials are expensive, fragile, and difficult to mold, so giant

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Faizan, Mehmood, M. Papadopoulos Panayiotis, Hadjidemetriou Lenos, Charalambous Anastasis, and M. Polycarpou Marios. "Model-Based Fault Diagnosis Scheme for Current and Voltage Sensors in Grid Side Converters." IEEE Transactions on Power Electronics 38, no. 4 (2022): 5360–75. https://doi.org/10.1109/TPEL.2022.3232191.

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The effective operation of the grid side converter is crucial for the reliability of renewable energy systems. Grid side converters are responsible for converting the energy produced by renewable energy sources into a form that can be injected into the grid. A grid side converter controller manages the conversion using feedback from voltage and current sensor measurements from both the alternative current (ac) and direct current (dc) sides of the converter. However, these sensory devices may fail or diverge from their normal operation, which can affect the effective operation of the converter.

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Zhou, Ke, En Meng, Zhiyue Mo, Qingren Jin, and Haibo Bao. "A dynamic state evaluation method for current sensors based on reference values and time series." Journal of Physics: Conference Series 2896, no. 1 (2024): 012018. https://doi.org/10.1088/1742-6596/2896/1/012018.

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Abstract Due to the complex and ever-changing power environment, when designing dynamic state evaluation methods for current sensors, there is often a problem of inaccurate calculation of state evaluation values, leading to poor evaluation accuracy of the methods. A dynamic state evaluation method for current sensors based on reference values and time series is proposed. Firstly, we normalize the time series data of the current sensor, construct a covariance matrix, calculate the degree of correlation between the time series data, and construct a higher quality current sensor state dataset. Th

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Hardman, David, Thomas George Thuruthel, Antonia Georgopoulou, Frank Clemens, and Fumiya Iida. "3D Printable Soft Sensory Fiber Networks for Robust and Complex Tactile Sensing." Micromachines 13, no. 9 (2022): 1540. http://dx.doi.org/10.3390/mi13091540.

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The human tactile system is composed of multi-functional mechanoreceptors distributed in an optimized manner. Having the ability to design and optimize multi-modal soft sensory systems can further enhance the capabilities of current soft robotic systems. This work presents a complete framework for the fabrication of soft sensory fiber networks for contact localization, using pellet-based 3D printing of piezoresistive elastomers to manufacture flexible sensory networks with precise and repeatable performances. Given a desirable soft sensor property, our methodology can design and fabricate opti

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Ru, Xu, Nian Gu, Hang Shang, and Heng Zhang. "MEMS Inertial Sensor Calibration Technology: Current Status and Future Trends." Micromachines 13, no. 6 (2022): 879. http://dx.doi.org/10.3390/mi13060879.

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A review of various calibration techniques of MEMS inertial sensors is presented in this paper. MEMS inertial sensors are subject to various sources of error, so it is essential to correct these errors through calibration techniques to improve the accuracy and reliability of these sensors. In this paper, we first briefly describe the main characteristics of MEMS inertial sensors and then discuss some common error sources and the establishment of error models. A systematic review of calibration methods for inertial sensors, including gyroscopes and accelerometers, is conducted. We summarize the

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Gui, Peng, Chuang Zhao, Lei Zhao, et al. "Design of a high-precision current source system for tunable laser driving." Journal of Physics: Conference Series 2703, no. 1 (2024): 012048. http://dx.doi.org/10.1088/1742-6596/2703/1/012048.

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Abstract Fiber Bragg Grating (FBG), which is an Optical Fiber Sensor with high sensitivity, light weight, and strong anti-interference ability, can realize the measurement of physical quantities, such as temperature and strain. The sensor network formed by FBG sensors is through wavelength division multiplexing, which greatly reduced the difficulty of sensor wiring. Therefore, FBG sensors are widely used in sensing fields such as aerospace, bridges and tunnels. As a wavelength-modulated Optical Fiber Sensor, FBG’s sensing accuracy depends not only on the performance of the laser, but also on t

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Wasif, Rukhshinda, Mohammad Osman Tokhi, Gholamhossein Shirkoohi, Ryan Marks, and John Rudlin. "Development of Permanently Installed Magnetic Eddy Current Sensor for Corrosion Monitoring of Ferromagnetic Pipelines." Applied Sciences 12, no. 3 (2022): 1037. http://dx.doi.org/10.3390/app12031037.

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Permanently installed sensors are a cost-effective solution for corrosion monitoring due to their advantages, such as less human interference and continuous data acquisition. Some of the most widely used permanently installed corrosion sensors are ultrasonic thickness (UT) gauges. However, UT sensors are limited by the need for coupling agents between pipe surfaces and sensors. The magnetic eddy current (MEC) method, on the other hand, does not require couplant and can be used over insulations. With the development of powerful rare earth magnets, MEC sensors with low power consumption are poss

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Tran, C. D., M. Kuchar, and P. D. Nguyen. "Research for an enhanced fault-tolerant solution against the current sensor fault types in induction motor drives." Electrical Engineering & Electromechanics, no. 6 (October 18, 2024): 27–32. http://dx.doi.org/10.20998/2074-272x.2024.6.04.

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Introduction. Recently, three-phase induction motor drives have been widely used in industrial applications; however, the feedback signal failures of current sensors can seriously degrade the operation performance of the entire drive system. Therefore, the motor drives require a proper solution to prevent current sensor faults and improve the reliability of the motor drive systems. The novelty of the proposed research includes integrating the current sensor fault-tolerant control (FTC) function according to enhanced technique into the field-oriented control loop for speed control of the motor

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Bian, Yuliang, Kun Zhang, and Tiehua Ma. "Design and Analysis of Differential Compensated Eddy Current Displacement Sensors." Sensors 25, no. 12 (2025): 3578. https://doi.org/10.3390/s25123578.

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The traditional eddy current displacement sensor is limited by the diameter of the probe coil, and the measuring range is relatively small. In order to improve the range of an eddy current displacement sensor, a differential compensated eddy current displacement sensor (DCECDS) is proposed in this paper. The DCECDS is designed with three coils and is characterized by a large measuring range and good linearity. Based on the analysis of the working principle of DCECDS, the corresponding equivalent circuit model and mathematical model were established in this study. The effects of excitation freq

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Hausladen, Matthias, Andreas Schels, Ali Asgharzade, et al. "Investigation of Influencing Factors on the Measurement Signal of a CMOS Image Sensor for Measuring Field Emission Currents." Sensors 25, no. 5 (2025): 1529. https://doi.org/10.3390/s25051529.

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We use optical CMOS image sensors for spatially and time-resolved measurement of the emission currents of field emission cathodes. The measured signal depends, on the one hand, on the emission current that flows from the cathode surface through the vacuum to the sensor surface. On the other hand, it is influenced by other variables, such as the extraction voltage, which accelerates the electrons towards the sensor surface, and the exposure time set on the sensor. In this article, these influencing factors on the measured pixel signals of a CMOS image sensor are examined in detail. In the first

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Ou, Zhengyu, Shihao Dong, Cheng Xu, Jisong Cen, and Zandong Han. "A pot-core eddy current sensor based on DC magnetization." Journal of Physics: Conference Series 2591, no. 1 (2023): 012047. http://dx.doi.org/10.1088/1742-6596/2591/1/012047.

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Abstract Due to the limitation of the skin effect of traditional eddy current sensors, it is difficult to sense internal defects. This paper proposes a pot-core eddy current sensor based on DC magnetization, which uses DC magnetization to excite the permeability perturbation of internal defects in the surface of samples and uses a pot-core eddy current sensor with higher efficiency to sense the perturbation, thus realizing the detection of defects. The phenomenon of permeability perturbation is analyzed by simulation, and experiments are conducted to verify the performance of the sensor. Also,

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Lin, Wuu-Wen. "Fiber-optic current sensor." Optical Engineering 42, no. 4 (2003): 896. http://dx.doi.org/10.1117/1.1559056.

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Berthou, Maxime, Philippe Godignon, Pierre Brosselard, Dominique Tournier, and José Millán. "Integration of Temperature and Current Sensors in 4H-SiC VDMOS." Materials Science Forum 717-720 (May 2012): 1093–96. http://dx.doi.org/10.4028/www.scientific.net/msf.717-720.1093.

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Silicon Carbide VDMOS with integrated current and temperature sensors have been successfully fabricated without degradation of the chip forward or reverse characteristics due to the sensors. The temperature sensors show impedance correlated to the temperature, which permits to track the drift region’s temperature of the device. We have shown that the sensor current ratio can be influenced by the current spreading in the drift layer, especially when the channel resistance contribution is reduced. This aspect will be more critical on VDMOS with low channel resistance. Also, the sensor current ra

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Barmpakos, Dimitris, and Grigoris Kaltsas. "A Review on Humidity, Temperature and Strain Printed Sensors—Current Trends and Future Perspectives." Sensors 21, no. 3 (2021): 739. http://dx.doi.org/10.3390/s21030739.

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Printing technologies have been attracting increasing interest in the manufacture of electronic devices and sensors. They offer a unique set of advantages such as additive material deposition and low to no material waste, digitally-controlled design and printing, elimination of multiple steps for device manufacturing, wide material compatibility and large scale production to name but a few. Some of the most popular and interesting sensors are relative humidity, temperature and strain sensors. In that regard, this review analyzes the utilization and involvement of printing technologies for full

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Kang, Zhuang, and Li Zhang. "Fault diagnostic research on the MMC output current sensors." Journal of Physics: Conference Series 2849, no. 1 (2024): 012036. http://dx.doi.org/10.1088/1742-6596/2849/1/012036.

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Abstract The modular multilevel converter (MMC) has been extensively studied, and sensors are an important part of the MMC control link. However, few diagnostic methods exist to study the diagnosis of sensor faults in MMCs. This paper proposes a fault diagnosis strategy for output sensors in MMCs, which can complete the detection and localization of the faulty output current sensor. According to the operating principle and mathematical model of MMC, the fault mechanism and fault feature are analyzed. Secondly, the fault diagnosis method is designed according to the fault characteristics. Final

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Sampebatu, Limbran, Simon Patabang, and Jeremias Leda. "PENGUJIAN SENSITIVITAS DAN AKURASI SENSOR ARUS HALL EFFECT MENGGUNAKAN ARDUINO-UNO." Jurnal Ilmiah Teknik dan Manajemen Industri 2, no. 2 (2022): 276–85. http://dx.doi.org/10.46306/tgc.v2i2.47.

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The sensitivity and accuracy of the hall effect current sensor is an important factor in its application considering that electric current is the main parameter in the study of electrical energy engineering, telecommunications and electronics. However, on the other hand, studies related to the sensitivity and accuracy of Hall effect current sensors are still rarely carried out. The method used in this research is an experimental laboratory study using the ACS712 sensor with a variation rating of 5A, 20A and 30A. The results show that the sensitivity is inversely proportional to the ampere rati

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Hasibuan, Ahmad Firdaus, and Alfian Ma’arif. "Battery Usage Monitoring System Internet of Things-Based Electric Cars (IoT) and Radio Telemetry." Buletin Ilmiah Sarjana Teknik Elektro 6, no. 3 (2024): 214–22. https://doi.org/10.12928/biste.v6i3.11524.

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Making electric cars at Ahmad Dahlan University has started since 2019. The implementers in making this electric car are students from the Faculty of Teacher Training and Education, Automotive Technology Vocational Education Study Program and Faculty of Industrial Technology, Electrical Engineering Study Program which started by taking part in a Comparative Study at a Contest Indonesian Electric Car 2019. 2019 at Bandung State Polytechnic. The IoT and Radio Telemetry Based Electric Car Energy Usage Monitoring System created by researchers uses voltage sensor components and current sensors to d

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